Three Lengths Form a Triangle

Which of the following sets of side lengths could produce a triangle. SELECT ALL THAT APPLY.

• 4, 4, 4

• 5, 5, 10

• 3, 6, 9

• 5, 7, 11

• 13, 5, 6

Tags

CCSS.7.G.A.2

Will these line segments form a triangle?

• yes

• no

Which set of side lengths will form a triangle?

• 3, 6, 12

• 7, 7, 14

• 9, 9, 9

• 13, 6, 7

Tags

CCSS.7.G.A.2

Determine if it is possible to form a triangle with the given side lengths. 15 in., 12 in., 2 in.

• yes

• no

Tags

CCSS.7.G.A.2

Will the side lengths 6, 8, 11 make a triangle?

• Yes

• No

Tags

CCSS.7.G.A.2

Does the sides 8, 9, 10 make a triangle?

• yes

• no

Tags

CCSS.7.G.A.2

State if the three numbers can be the measures of the sides of a triangle: 8,8,11

• no

• yes

• not enough information

Answer explanation

add two small and compare to the largest

the sum of the smallest must be larger to create a triangle

8+8=16

16>11

Tags

CCSS.7.G.A.2

Will the side lengths 6 in, 8 in , 11 in make a triangle?

• Yes

• No

Tags

CCSS.7.G.A.2

• Yes

• No

Tags

CCSS.7.G.A.2

Can these sides form a triangle? 2, 9, 5

• Yes

• No

Tags

CCSS.7.G.A.2